Addition Flash Cards | (4) + (0-5)
Add.
4 + 1 =
Add.
4 + 2 =
Add.
4 + 3 =
Add.
4 + 4 =
Add.
4 + 5 =
Add.
1 + 4 =
Add.
2 + 4 =
Add.
3 + 4 =
Add.
4 + 4 =
Add.
5 + 4 =
Add.
4 + 0 =
Add.
0 + 4 =
参加了这次测试的学生也参加了 :

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